Hi Kathy, Please thoroughly research mailing lists before posting to them. It makes sense for this e-mail to go to ag-tech, but not ag-info, ag-focus, or ag2005. I'm only familiar with some of the other mailing lists, so I can't speak for all of them. Eric
On Thu, 24 Feb 2005, kathy gill wrote: > This debugging took place in the Asia-Pacific Access Grid venue. > > I spent some time with Jason Bell this afternoon trying to debug RAT on > my G4 15" Powerbook with OS 10.3.7 and iSight camera. > > > The problems : > > 1) Instances (multiple): > With RAT window enabled, sound is distorted by loud background noise > that sounds something like angry bees. No sound out, even when "talk" is > checked > > 2) Instance (once): > With RAT window enabled, distorted sound -> checking "talk" turned > incoming sound "off" > > 3) Instances (multiple): > RAT would arbitrarily crash (window disappears) - this was with either > built-in mic or iSight mic. > > 4) Current state: > Now no sound in or out (except for tone-test, which works) > > 5) Reception Quality Matrix > High packet loss on multicast compared to unicast. > > > > Details: > We ran Xterm (history at the bottom of this message) to boot audio > service -- RAT window would appear, transmit "noise", but when "talk" > button was enabled, it would crash. > > [Note that today I had switched input from built-in mic to iSight mic > based on earlier AG-Tech posting.] > > > I switched input back to built in mic and launched audio service > manually again; tone test - worked - but no sound "in". clicked "talk" > button - no sound in or out (no flashing indicator lights) > > Reception quality matrix went to hell in a handbasket (up to 78% packet > loss) ... but RAT hasn't crashed. > > Tried a powered mic -- RAT didn't crash but still no sound (in or out). > > > Shifted to unicast - RAT launched automatically and hasn't crashed. > > Reception quality matrix is full of "green" boxes but cannot initiate > conversation. No "flashing lights" when talk is enabled and I test mic. > Occasional drop to yellow w/<10% loss -- but no more high reds. This > suggests issues with UW multicast network, yes? > > I have only video. :-/ > > > > Log data from RAT Crash with iSight mic enabled follows : > > [pid/608 +426 audio.c] catch up! read_dur(877) > cushion_size(800) > [pid/608 +390 mix.c] Getting new cushion 880 old 800 > [pid/608 +467 audio.c] Decreasing cushion > [pid/608 +2802 rtp.c] Deleting source 0x25a1f352 due to timeout... > [pid/608 +204 pdb.c] Removing persistent database entry for SSRC 0x25a1f352 > [pid/607 +895 mbus.c] received reliable msg 352, sending ACK > [pid/608 +426 audio.c] catch up! read_dur(1747) > cushion_size(800) > [pid/608 +390 mix.c] Getting new cushion 880 old 800 > [pid/608 +467 audio.c] Decreasing cushion > [pid/608 +625 rtp.c] Created database entry for ssrc 0x26c41e31 (8 valid > sources) > [pid/608 +426 audio.c] catch up! read_dur(1161) > cushion_size(800) > [pid/608 +390 mix.c] Getting new cushion 880 old 800 > [pid/608 +467 audio.c] Decreasing cushion > [pid/608 +625 rtp.c] Created database entry for ssrc 0x25a1f352 (9 valid > sources) > [pid/608 +426 audio.c] catch up! read_dur(1747) > cushion_size(800) > [pid/608 +390 mix.c] Getting new cushion 880 old 800 > [pid/608 +467 audio.c] Decreasing cushion > [pid/608 +895 mbus.c] received reliable msg 144, sending ACK > >>>>> KEG: this is where I clicked "talk" <<<<<<< > [pid/608 +222 transmit.c] Starting to transmit... > [pid/608 +983 auddev.c] GAIN=52 > [pid/607 +895 mbus.c] received reliable msg 377, sending ACK > [pid/608 +198 cc_rdncy.c] coding not found > cc_rdncy.c:276: failed assertion `layers != 0' > [pid/606 +331 main_control.c] Caught signal SIGCHLD: 20 > [pid/606 +295 main_control.c] Sending mbus.quit() to (media:audio > module:ui app:rat id: > 06)... > [pid/607 +895 mbus.c] received reliable msg 136, sending ACK > [pid/607 +82 mbus_ui.c] Got mbus.quit() from (media:audio module:control > app:rat id:606 > [pid/606 +306 main_control.c] ...done > [pid/606 +295 main_control.c] Sending mbus.quit() to (media:audio > module:engine app:rat > session:0 id:606)... > [pid/607 +184 main_ui.c] Waiting for tool.rat.ui.detach() from media > engine... > [pid/607 +216 mbus.c] remove dead entity (media:audio module:engine > app:rat session:0 i > :606) > [pid/607 +193 main_ui.c] ...got it > [pid/606 +216 mbus.c] remove dead entity (media:audio module:engine > app:rat session:0 i > :606) > [pid/606 +379 mbus.c] Reliable mbus message failed! > [pid/606 +306 main_control.c] ...done > [pid/606 +116 process.c] Process already dead > [pid/606 +116 process.c] Process already dead > [pid/606 +567 main_control.c] Controller exit > D-128-95-248-127:~/.AccessGrid/local_services/AudioService kathygill$ > [pid/607 +379 mbu > .c] Reliable mbus message failed! > [pid/607 +81 main_ui.c] mbus message failed (148:1) > [pid/607 +209 main_ui.c] Waiting for mbus.quit() from controller... > [pid/607 +218 main_ui.c] ...got it > [pid/607 +362 net_udp.c] Dropped membership of multicast group > [pid/607 +242 main_ui.c] User interface exit > > > HISTORY > > 93 cd .AccessGrid > 94 ls > 95 cd local_services > 96 ls > 97 cd AudioService > 98 ls > 99 ./rat 233.2.178.9/17008 > 100 ps aux | grep rat > 101 killall -9 rat > 102 killall -9 rat-4.2.25-media > 103 killall -9 rat-4.2.26-ui > 104 ps aux | grep rat > 105 ./rat 233.2.178.9/17008 > 106 history > > > I have Log Data from stable, but not-functioning, RAT as well. Shout and > I'll share... > > > TIA, > > Kathy > >
